[feat] add mobile privacy controls and Windows secure text input

2026-10-28 16:54:11 +08:00 · 2026-10-27 02:37:23 +08:00
parent 1e25ec15e1
commit b15925f857
37 changed files with 795 additions and 80 deletions
@@ -0,0 +1,87 @@
+export interface PrivacyStatus {
+  state: number; supported: boolean; input_block_supported: boolean;
+  overlay_active: boolean; input_blocked: boolean; remote_paused: boolean;
+  revision: number; reason: string;
+}
+
+export class RemotePrivacyScreen {
+  snapshot?: PrivacyStatus;
+  pending: boolean = false;
+  requestId: number = 0;
+  private requestRevision: number = 0;
+  private receivedAt: number = 0;
+  private requestedAt: number = 0;
+  private failure: string = '';
+
+  receive(s: PrivacyStatus, now: number): void {
+    if (!Number.isInteger(s.state) || s.state < 0 || s.state > 5 ||
+      !Number.isInteger(s.revision) || s.revision < 0 || s.revision > 0xffffffff ||
+      typeof s.supported !== 'boolean' || typeof s.input_block_supported !== 'boolean' ||
+      typeof s.overlay_active !== 'boolean' || typeof s.input_blocked !== 'boolean' ||
+      typeof s.remote_paused !== 'boolean' || typeof s.reason !== 'string' || s.reason.includes('\0')) return;
+    if (s.state === 3 && (!s.supported || !s.overlay_active || s.remote_paused)) return;
+    if (this.snapshot && ((s.revision - this.snapshot.revision) | 0) < 0) return;
+    this.snapshot = s; this.receivedAt = now; this.failure = '';
+    if (this.pending && ((s.revision - this.requestRevision) | 0) > 0 && s.state !== 2 && s.state !== 4) this.pending = false;
+  }
+  active(): boolean {
+    const s = this.snapshot;
+    return s !== undefined && (s.overlay_active || s.remote_paused || s.state === 2 || s.state === 3 || s.state === 4);
+  }
+  fresh(now: number): boolean { return this.snapshot !== undefined && now - this.receivedAt <= 5000; }
+  enabled(now: number): boolean {
+    const s = this.snapshot;
+    return s !== undefined && this.fresh(now) && s.state === 3 && s.overlay_active && !s.remote_paused;
+  }
+  buttonTitle(now: number): string {
+    if (this.enabled(now)) return '隐私屏已开启';
+    const s = this.snapshot;
+    if (this.fresh(now) && s?.supported && s.state === 1 && !this.active()) return '隐私屏已关闭';
+    return '隐私屏';
+  }
+  feedback(now: number): string {
+    const s = this.snapshot;
+    if (!this.failure && (this.pending || this.fresh(now) && (s?.state === 2 || s?.state === 4))) return '';
+    if (!this.failure && !this.pending && this.fresh(now) && s?.supported &&
+      (this.enabled(now) || s.state === 1 && !this.active())) return '';
+    const detail = this.detail(now);
+    return this.status(now) + (detail ? '：' + detail : '');
+  }
+  canToggle(now: number): boolean {
+    const s = this.snapshot;
+    return s !== undefined && !this.pending && this.fresh(now) && s.state !== 4 && (this.active() || s.supported && s.state === 1);
+  }
+  begin(now: number): number {
+    this.tick(now);
+    if (!this.canToggle(now) || !this.snapshot) return -1;
+    this.pending = true; this.requestedAt = now; this.requestRevision = this.snapshot.revision; this.failure = '';
+    this.requestId = (this.requestId + 1) >>> 0;
+    return this.requestId;
+  }
+  failed(id: number): void {
+    if (this.pending && this.requestId === id) { this.pending = false; this.failure = '指令发送失败，请重试'; }
+  }
+  tick(now: number): void {
+    if (this.pending && now - this.requestedAt >= 15000) {
+      this.pending = false; this.failure = '请求超时，尚未确认电脑的隐私屏状态';
+    }
+  }
+  status(now: number): string {
+    if (this.failure) return this.failure;
+    const s = this.snapshot;
+    if (!s) return '等待电脑返回隐私屏状态；旧版电脑端可能不支持';
+    if (!this.fresh(now)) return '隐私屏状态已过期，等待电脑确认';
+    if (s.state === 2) return '正在开启隐私屏…';
+    if (s.state === 4) return '正在关闭隐私屏…';
+    if (this.pending) return '指令已发送，等待电脑确认…';
+    if (s.state === 5) return '隐私屏异常';
+    if (!s.supported || s.state === 0) return '隐私屏暂不可用';
+    if (s.state === 3 && s.overlay_active && !s.remote_paused)
+      return '隐私屏已开启';
+    return s.state === 1 && !this.active() ? '隐私屏已关闭' : '隐私屏状态待确认';
+  }
+  detail(now: number): string {
+    const s = this.snapshot;
+    return s && this.fresh(now) && (s.state === 0 || s.state === 5 || !s.supported) ? s.reason : '';
+  }
+}